EXCLUSIVE: ADNOC Trading buys millions of barrels of Iraqi crude, sources say ↧ ↧ EXCLUSIVE: ADNOC Trading buys millions of barrels of Iraqi crude, s... Abu Dhabi National Oil Co (ADNOC) has bought millions of ​barrels of discounted crude from Iraq's state oil firm, three people familiar with the matter said, expanding its role ‌as a trader amid supply disruptions from the Iran war.